Q. The reduction of 4-octyne with $H_{2}$ in the presence of $Pd/CaCO_{3}$ quinoline gives
A) $trans$-4-octene
B) $cis$-4-octene
C) A mixture of $cis$-and $trans$-4-octene
D) A completely reduced product $C_{8}H_{18}$
Explanation
(b)
Reaction of 4-octyne and $H_{2}$ can be arrested at the alkene stage only by using palladium partially inactivated with trace of quinoline
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.